static void fdma_reset_all(struct fdma *fdma)
{
fdma_disable_all_channels(fdma);
fdma_reset_channels(fdma);
/* reset the CPU program counter and all the
* instruction pipeline registers */
writel(5, fdma->io_base + fdma->regs.clk_gate);
}
static int fdma_run_initialise_sequence(struct fdma *fdma)
{
fdma->llu_pool = dma_pool_create(fdma->name, NULL,
sizeof(struct fdma_llu_entry), 32, 0);
if (fdma->llu_pool == NULL) {
fdma_dbg(fdma, "%s Can't allocate dma_pool memory\n",
__FUNCTION__);
return -ENOMEM;
}
fdma_initialise(fdma);
fdma_reset_channels(fdma);
if (!fdma_enable_all_channels(fdma))
return -ENODEV;
return 0;
}
static int fdma_restore_noirq(struct device *dev)
{
struct fdma *fdma = dev_get_drvdata(dev);
int i; /* index segments */
if (fdma->firmware_loaded != 1)
return 0;
stm_fdma_clk_enable(fdma);
for (i = 0; i < 2; ++i)
memcpy_toio(fdma->io_base + fdma->segment_pm[i].offset,
fdma->segment_pm[i].data,
fdma->segment_pm[i].size);
fdma_initialise(fdma);
fdma_reset_channels(fdma);
if (!fdma_enable_all_channels(fdma))
return -ENODEV;
return 0;
}